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Re: AtomicReferenceArray writes and visibility

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From	v_borchert@despammed.com (Volker Borchert)
Newsgroups	comp.lang.java.programmer
Subject	Re: AtomicReferenceArray writes and visibility
Date	2 Apr 2011 06:28:28 GMT
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Peter Duniho wrote:
> On 3/30/11 10:43 PM, Volker Borchert wrote:
> > Hello all,
> >
> > reading on the "new" memory model and AtomicReferenceArray, it
> > seems that anything done before a .set() on an AtomicReferenceArray
> > "happens-before" anything done after a .get() on the same
> > AtomicReferenceArray.
> >
> > Two questions:
> >
> > 1. Am I right?
> 
> Essentially, but not literally.  You need to qualify your statement to 
> specify that the action that occurs before the write (the call to set()) 
> has to be in the same thread as the write, and the action that occurs 
> after the read (the call to get()) has to be in the same thread as the read.

That was implied, I forgot to state it explicitly. Thanks for the
clarification.


-- 

"I'm a doctor, not a mechanic." Dr Leonard McCoy <mccoy@ncc1701.starfleet.fed>
"I'm a mechanic, not a doctor." Volker Borchert  <v_borchert@despammed.com>

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AtomicReferenceArray writes and visibility v_borchert@despammed.com (Volker Borchert) - 2011-03-31 05:43 +0000
  Re: AtomicReferenceArray writes and visibility Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-03-31 00:52 -0700
    Re: AtomicReferenceArray writes and visibility v_borchert@despammed.com (Volker Borchert) - 2011-04-02 06:28 +0000
  Re: AtomicReferenceArray writes and visibility Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2011-03-31 20:55 -0700
  Re: AtomicReferenceArray writes and visibility markspace <-@.> - 2011-03-31 21:22 -0700
    Re: AtomicReferenceArray writes and visibility Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-03-31 21:54 -0700
      Re: AtomicReferenceArray writes and visibility markspace <-@.> - 2011-03-31 21:58 -0700
        Re: AtomicReferenceArray writes and visibility Patricia Shanahan <pats@acm.org> - 2011-03-31 22:24 -0700
          Re: AtomicReferenceArray writes and visibility markspace <-@.> - 2011-03-31 22:55 -0700
  Re: AtomicReferenceArray writes and visibility Lew <lew@lewscanon.com> - 2011-04-01 11:40 -0700

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